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Nitrophenols Q 0210Rearrangements During Nitrosodecarboxylation of Isomeric Dibromohydroxybenzoic Acids. -The reaction of sodium 3,5-dibromo-4-and -2-hydroxybenzoates with NaNO2 leads to a mixture of dibromonitrophenols. They result from nitrosodecarboxylation accompanied by rearrangement and followed by oxidation of the nitrosophenols. The mechanism is discussed and confirmed experimentally. -(SHISHKIN, V. N.; FADIN, M. V.; Russ. J. Org. Chem. 44 (2008) 5, 688-692; Ogarev Mordovian State Univ., Saransk 430000, Russia; Eng.) -R. Langenstrassen 01-074